// Press Shift twice to open the Search Everywhere dialog and type `show whitespaces`,
// then press Enter. You can now see whitespace characters in your code.
public class Main {
    public static void main(String[] args) {
        byte b1 = 100;
        int  i1 = b1;
        System.out.println("b1="+b1+","+"i1="+i1);
        int i2 = 128;
        byte b2 = (byte)i2;
        System.out.println("i2="+i2+","+"b2="+b2);
        float f1 = 12.34f;
        double d1 = f1;
        System.out.println("f1="+f1+","+"d1="+d1);
        double d2 = 3.1415;
        float f2 = (float) d2;
        System.out.println("d2="+d2+","+"f2="+f2);
    }
}
